If we can assume that the differences, if any, between CSS/CS mufflers and CSS/GTI resonators are negligible for comparison's sake, then the only outliers are the NA/ROW engines and the CS resonator. Only way to further narrow this down would be for some in NA to get the same CS setup to compare.
I don't find feher's setup to be quite as offensive. Therefore I can assume that the CS resonator helps with the exhaust note on non-clubsport/s cars. We have to remember that clubsport/s cars have different ECU map, specifically tuned along with the clubsport exhaust systems to create the nice sounds it has. GTI of course lacks this, and as a result does not sound as good even with a CSS muffler. A stock GTI sounds better than with a CSS muffler tacked on, to my ears.
But I guess if you are in the camp of people to love fart cars and the ricey sound, then you probably can't distinguish this anyway. For those with more discerning tastes, there are definitely better options.
I don't find feher's setup to be quite as offensive. Therefore I can assume that the CS resonator helps with the exhaust note on non-clubsport/s cars. We have to remember that clubsport/s cars have different ECU map, specifically tuned along with the clubsport exhaust systems to create the nice sounds it has. GTI of course lacks this, and as a result does not sound as good even with a CSS muffler. A stock GTI sounds better than with a CSS muffler tacked on, to my ears.
But I guess if you are in the camp of people to love fart cars and the ricey sound, then you probably can't distinguish this anyway. For those with more discerning tastes, there are definitely better options.
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